Bearing eor conveyer-rollers



C. H. LISTER.

BEARING FOR CONVEYER ROLL RS.

APPUCAIION HLD FEB. 2|, 19w.

CHARLES HENRY LISTER, OF NORTH ST. PAUL, MINNESOTA.

BEARING FOR CONVEYEB-BOLLEM Specification of Letters Patent.

mama Aug. 31, 1920.

shaman fled February 21, 1919. Serial 110. 278,888.

To all whom it may concern:

Be it known that I CHARLES I'IENBY Ins- T'ER, a citizen of the IInitcd States, residing at North St. Paul, in the county of Ramsey and State of Minnesota, have invented new and useful Improvements in Bearings for Conveyer-Rollers, of which the following is a specification.

Myinvention relates to bearings for conve er rollers.

he object of my invention is to provide a bearing of increased efiiciency and durability.

A further object is to provide a bearing of this class, which may be easily assembled and replaced, if worn or broken, without removin r the frame from the rollers.

In t 1e drawings Figure 1 is a central vertical section of one of my bearings; Fig. 2 is a diagrammatic view of a fragment of the angle iron and end of the roller; Fi 3 is a detail showing the arrangement of tie antlfriction balls in the race and cage; Fig. 4 is .a fragmentary view of the angle iron illustrating the s rape of the perforation 12, and Fig. 5 is an end view of the stud. In the drawings, the numeral 10 indicates a tubular roller and. 11 an angle ironforming one of the parallel supports for a series of such rollers. Only one of the supports is shown but it is to be understood that the construction of the roller and the bearings therefor are duplicated at the other end of the roller.

Through an oblong perforation 12 in the angle iron 11, I insert a stud 13 with a head 15 on the outside of said angle iron. At the base of the head 15, a ortion of the stud is cut away on parallel lines 16 so that it may be freely inserted in the oblong perforation 12 and locked against revolution (see Figs.

4 and 5). Inside the angle iron the stud 13' is formed with a threaded portion 17, a plain section terminating in .a shoulder 19 and a reduced inner end or pintle 20. The" threaded portion is adapted to receive the split washer 22 andnut 23 and the )intle 2:0 to support the hereinafterdescri ed ball race 21. This stud bolt is held against longitudinal movement in the angle. iron by means of the split washer 29 and nut 23 which clamp the stud bolt infixed position in the angle iron. The annular race 21 is journaled upon the reduced end 20 of the stud with its outer surfacein, contact with the shoulder 19 termed on the stud. A

new

'tral peri heral groove 25 in the race 21 furnishes t e inner bearin surface for the anti-friction balls 26. T e cage or ball retainer 27 is formed in two parts each of which is provided with peripheral flanges 28, telescoping one within the other, to retain the balls, the section 29 of said cage being adapted to fit snugly within thesection 30; and to facilitate the assembling of the cage I make the outer section 30 of soft metal while the inner section 29 as well as the race-way 21 are preferably composed of case hardened and pack hardened metal respectively. The outer end of the tube 10 is filled by a sheet metal plug 31, shaped with an annular flange 32, adapted to fit snugly within the perip'her of the roller and having a central cup-s aped portion 33 which is adapted to freely receive the bearing cage 27 and hold said cage with the race 21 upon the stud. This plug 31 is fixed ri idly in the end of the tube 10 by crimping 51c edge of the tubing about the outer diameter of the face of the plug and securing the latter against inward movement bv a series of punched projections 34 formed in the tubing at the inner edge of the flange 32. It will thus be seen that the cup 33 in the roller, co-aeting with the shoulder 19 on the stud, forms a housing for the race-way 21 and cage 27.

t will also be noted that the plain portion of the stud 13 beween the threads 17 and shoulder 19 is suliiciently long to permit the loosening oi the nut 23 so that the ca e 27 with the race 21 may be removed for a justment or repair without affecting other bearings or removing the rolleis from their supports.

Having'described my invention, what I claim as new and desire to protect by Letters Patent is: V I

1. In ,a bearing for conveyer rollers, "a stud havin a medial thread and a smooth inner end, ormin" a shoulder and a projecting bearing pint e, an annular race-way adapted to revolve freely upon said pintle and to fit against said shoulder, a peripheral groove in said race way, a two part annular ball cage adapted to retain a series of balls in said groove, a seriesof anti-friction balls in said cage and a tubular roller, provided with an and plug formed with axial cups adapted to fit frecl over said ca e and c0- with'said s oulder to hol said cage lateral movement on the stud,

2. In a healing for conveyor rollers, a stud lmuu-d. with an uutm' huud, :1 Radial thread and a smooth inner end having un annulmshuuldor and a projecting hearing pintlo, u cylindrical race-way, juurualud upuu said piutle and fitting Against said shuuldi-r, nu annular lmll cage aiduptml to retain a sul'ivs of balls on said pimle, u. su-

rios of auti-lriction halls arranged on said pinthe within-said cage, and a roller pro- \iilud with an and plug; l'm'nu-d with axial (MP5 adapted [0 lil, freely mm' said rum and in m-nvt with said shmzldmmi said slud tin lmld said unguugaiuat lulux'ul mm'cmvul.

55. ll] :1 hearing for uunvuyvr mlh-rm u stud forum-d with :1 nil-dial thread and u Snmnlh imwr end having an annular shuul dqr and a prujecting hearing pintlc of rv duced illilIiCl.B1',ilY1 annular rauv-wziy :Hlujiled to revolve freely upon said piullo and {u fit. against said shoulder. n gnmvc in lluw ripher of szgid r:1u0-w;i ,',a [Wu-part annulmball cage adapted to retain a series (if hulls in said grnovn, :1 sm'ios of lllll-flllll0l1 halls in said gruuvu, n tuhulnr roller halving; :lu oud plug l'm'nwd with an axial rup :uluplud tn lit, l'n-uly owl said wigs and in m-uvt u'ilh said shoulder (in mid stud to hold said (-agu ugmiust lull-ml lHUVl'lllLlll said plug living: huld in plate by :1 Silll'fi nl' (h' n'vssiuus in thu mllvi' ill tho innm cud u'l' thv plug and hy (-rimpim the uutvx' vud ul' i'huluhl- :dmul: the outer dmmvurr ml the fame of Lluplug.

-l. In it lmil'iug l'ui' mnvuyvr rulh-m :1 stud, l ni'nud with a sluuddl-l, a hull nu-u juui'unlud (m Llustud, nhuttiup; llufillnlll- (llfl, u 111g:((uuvilliir with said rue-v. :1 Xhlli'l' having; uh axial lllll in its mid. mid l'llll and \lllillllltl humming; zi huuaiup lur mid rum and czigv. and, luvh nulllm-zuh-d nu tlu' Stud and slim-0d fi'nm lhv hllHlllllPl' u sulii' rll'lll distzmw wnuit ii In in rvh-um-d without removing lhc Page l'rnm Lhv mp.

CHARLES UQNR 1' L1 S'l" [Cl 1. 

